Exercise machine



FIG. 1 is a perspective view of an exercise machine showing my newdesign.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 shows a perspective view thereof wherein the broken line portionsof the exerciser structure are for illustrative purposes only and formno part of the claimed design.

The ornamental design for an exercise machine, as shown and described.